While developing we strongly recommend using logs for errors detection.
DHTMLX permits to control logging in two ways:
If any error occurs during the data processing, the client-side data processor object will receive the "error" action containing short info about the problem (full info will be written to the log).
When a critical error occurs all log records for the current session (full error info) will be sent to the client and shown in the browser (useful for debugging, not recommended for production):
During the development process you may need to write some custom data to the log (can be useful for custom server-side events).
To add a custom text or data to the log file:
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$conn->enable_log("temp.log"); LogMaster::log("any text here");